Return-Path: Received: from mtain-de04.r1000.mx.aol.com (mtain-de04.r1000.mx.aol.com [172.29.64.204]) by air-md02.mail.aol.com (v129.4) with ESMTP id MAILINMD021-8b784d2c495b377; Tue, 11 Jan 2011 07:13:15 -0500 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-de04.r1000.mx.aol.com (Internet Inbound) with ESMTP id 046F23800008D; Tue, 11 Jan 2011 07:13:13 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Pcd55-00088g-0w for rs_out_1@blacksheep.org; Tue, 11 Jan 2011 12:12:07 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Pcd54-00088X-IW for rsgb_lf_group@blacksheep.org; Tue, 11 Jan 2011 12:12:06 +0000 Received: from filter02.i-online.fr ([195.200.78.9]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1Pcd52-0007D7-Tm for rsgb_lf_group@blacksheep.org; Tue, 11 Jan 2011 12:12:06 +0000 Received: from smtp.qtxt.dns-iol.com ([195.200.78.13]) by filter02.i-online.fr (IceWarp 10.0.7 (2010-02-10)) with ESMTP (SSL) id UNW76948 for ; Tue, 11 Jan 2011 13:11:48 +0100 Received: (qmail 24934 invoked by uid 507); 11 Jan 2011 13:11:50 +0100 Received: from unknown (HELO ?192.168.1.103?) (john.rabson@numeo.fr@217.67.155.178) by smtp.qtxt.dns-iol.com with SMTP; 11 Jan 2011 13:11:50 +0100 Mime-Version: 1.0 (Apple Message framework v1082) From: John Rabson X-Priority: 3 In-Reply-To: Date: Tue, 11 Jan 2011 13:11:56 +0100 Message-Id: <8C291320-2F81-4187-B4DB-04391A5BB3E8@numeo.fr> References: <201101111216460781.5C69093B@smtp2.numeo.fr> To: rsgb_lf_group@blacksheep.org X-Mailer: Apple Mail (2.1082) X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: LF: RF ammeter question Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1d40cc4d2c495947a8 X-AOL-IP: 195.171.43.25 Thank you everyone for your comments. I have found some 1N5822 Schottky= diodes so may try those. Chris: 1N4148 - yes please. John F5VLF On 11 Jan 2011, at 12:57CET, Julian Hardstone wrote: > In that quantity the 4148 costs less than one pence, so before you go bu= ying stamps let John pull a couple out of any scrap pcb he has lying about= - there's always some small glass diodes which would serve > - Julian G3TFR >=20 > From: "Chris Trayner" >=20 >=20 > Hi John, >=20 >> Not having any 1N4148 diodes I used 1N4007s. Might this be the cause= of the problem? >=20 > I have a box of 5000 1N4148s at work. I might be able to spare you the= odd one or two ;-) >=20 > 73, > Chris G4OKW=20 >=20 >=20